入侵植物对热带河岸带土壤性质的影响

Q4 Environmental Science

Pollution Research Pub Date : 2023-01-01 DOI:10.53550/pr.2023.v42i01.016

Anula Susan Varughese, S. Joseph

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引用次数: 0

摘要

河岸带是生产力高、生物多样性丰富的过渡区。然而，外来植物物种的入侵消耗了多样性和生产力，这是一个严重的全球环境问题，因为它们改变了生态系统服务。分析入侵植物侵蚀河岸带土壤养分的时空变化具有重要意义。本研究在印度西高止山脉南部Vamanapuram河流域(VRB)热带河流流域的河岸带进行，分析了入侵区(VR)和未入侵区(对照)土壤样品(总n= 60)的pH值、电导率(EC)、有机碳(OC)、有效氮(AN)、有效磷(AP)和有效钾(AK)。总体而言，在入侵土壤和对照土壤中，除土壤有机质外，上述理化参数均发生显著变化，且在入侵土壤中高值。然而，为了更好地了解入侵植物与土壤的相互作用，需要更多的研究来区分系统内的影响。

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INFLUENCE OF INVASIVE PLANT SPECIES ON SOIL PROPERTIES IN TROPICAL RIPARIAN ZONES

Riparian zones are highly productive biodiversity-rich transition areas. However, the invasion of exotic plant species depletes diversity and productivity, a severe global environmental concern as they alter ecosystem services. The analysis of spatio-temporal variations of soil nutrients in an invasive plant-impacted riparian zone is significant. This study was conducted in the riparian zones of a tropical river basin, Vamanapuram river basin (VRB), Southern Western Ghats, India, to analyse soil samples (total n= 60) from invaded (VR) and uninvaded (Control) areas for pH, Electrical Conductivity (EC), Organic Carbon (OC), available nitrogen (AN), available phosphorus (AP), and available potassium (AK). In general, comparing the invaded and control sites, changes were noticed in almost all the above physico-chemical parameters (except OC) at a significant level with high values in invaded soil sites mainly due to invasion. However, more studies are needed to differentiate the impacts within the system for a better understanding of invasive plant-soil interactions.

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Pollution Research Environmental Science-Water Science and Technology

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期刊介绍： POLLUTION RESEARCH is one of the leading enviromental journals in world and is widely subscribed in India and abroad by Institutions and Individuals in Industry, Research and Govt. Departments.